Round: 45 Ground: Hardcourt outdoor
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 03:00 | Ito, Yuichi v Tamaki Yamao | 2-6,3-6 |
| ITF - M15 Nishi-Tokyo | 2019/03/11 02:00 | Hikaru Shiraishi v Ito, Yuichi | 6-1,7-6 |
| Challenger Kobe | 2018/11/10 03:25 | Ito, Yuichi v Issei Okamura | 4-6,7-6,3-6 |
| ITF Thailand F4 | 2018/09/26 02:30 | Sidharth Rawat v Ito, Yuichi | 6-4,6-4 |
| ITF Thailand F4 | 2018/09/25 06:00 | Ito, Yuichi v Daisuke Sumizawa | 6-2,6-3 |
| ITF Thailand F3 | 2018/09/05 04:00 | Ito, Yuichi v Saito, Takashi | 2-6,6-4,3-6 |
| ITF Thailand F3 | 2018/09/04 04:20 | Ito, Yuichi v Ono, Masayoshi | 7-6,6-3 |
| ITF Thailand F2 | 2018/08/28 05:35 | Thanapet Chanta v Ito, Yuichi | 6-4,6-4 |
| ITF - M15 Tsukuba | 2019/03/25 01:00 | Ryuki Matsuda v Onishi, Ken | 6-2,6-3 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 00:30 | Masamichi Imamura v Ryuki Matsuda | 7-5,6-3 |
| ITF Japan F4 | 2018/03/27 01:00 | Tung-Lin Wu v Ryuki Matsuda | 6-0,6-2 |
| Turkey F8, Singles Qualifying | 2018/02/25 07:30 | Ryuki Matsuda v Cengiz Aksu | 2-6,1-6 |
| Turkey F8, Singles Qualifying | 2018/02/24 07:00 | Dinopoulos, Alexandros v Ryuki Matsuda | 2-6,1-6 |
| Turkey F6, Singles Qualifying | 2018/02/13 09:50 | Yuksel, Anil v Ryuki Matsuda | 6-1,6-4 |
| Turkey F6, Singles Qualifying | 2018/02/12 07:00 | Ryuki Matsuda v Koray Kirci | 6-3,6-1 |
| Turkey F6, Singles Qualifying | 2018/02/11 06:00 | Borza, Bogdan v Ryuki Matsuda | 4-6,4-6 |